The Clamp,loop, cataloged under National Stock Number 5340-01-178-5035, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Item Name | Clamp,loop |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | The Boeing Company (CAGE 8V613); The Boeing Company Div Services (CAGE 48T42) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-178-5035 |
| Primary Part Number | HS4218H12NB |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| HS4218H12NB PRIMARY | The Boeing Company (USA) |
| HS4218H12NB PRIMARY | The Boeing Company Div Services (USA) |
| Reference | Meaning |
|---|---|
| TA04C67H12NB | 3/2 Design control — primary reference U.S. Government activity |
| HS4218H12NB | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| TA4C67H12NB | 5/9 Secondary reference U.S. Government activity |
NSN 5340-01-178-5035 is a Clamp,loop, manufactured by The Boeing Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-178-5035 has 2 manufacturer part numbers on file: HS4218H12NB (The Boeing Company), HS4218H12NB (The Boeing Company Div Services).
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.